National Hardware National Hardware N221-721 Turnbuckle, Eye & Eye, Zinc, 3/16 X 5-1/2 In.
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The National Hardware N221-721 is a zinc-plated eye-to-eye turnbuckle designed for tightening or drawing together lines and cables in a wide range of applications. With its corrosion-resistant finish and steel eye bolts, this turnbuckle is especially suited for marine environments and outdoor projects where rust and oxidation are concerns. Whether you're securing rigging, tightening guy-wires, or adjusting tension on cables, this compact yet robust connector delivers dependable performance without bulk.
The eye-to-eye configuration of this model enables quick, secure attachment to rope, cable, or strap without the need for additional hardware. The straightforward design makes installation and adjustment simple, allowing you to achieve exact tension by turning the threaded shaft by hand or with a socket wrench.
Features and Benefits
- Zinc-plated construction: The rust-resistant body with steel eye bolts provides superior protection against corrosion in outdoor and marine environments, extending service life and reducing maintenance costs.
- Eye-to-eye design: Quick, secure connections to lines and cables without additional fittings or hardware required.
- 45 lb working load: Adequate capacity for moderate-duty tension applications including garden support structures, light rigging, tarps, and cable tensioning.
- Compact 3/16" diameter: Space-efficient size allows use in tight areas while delivering strong holding power.
- Adjustable threaded shaft: Turn by hand or with a socket to achieve precise, repeatable tension control.
Specifications
- Brand: National Hardware
- Model: N221-721
- Size: 3/16 x 5-1/2 inches
- Thread: #10-24
- Working load: 45 lb
- Style: Eye, Eye
- Finish: Zinc-plated with steel eye bolts